CN208299795U - A kind of bimodulus transfer intercom with three sections of screen displays - Google Patents
A kind of bimodulus transfer intercom with three sections of screen displays Download PDFInfo
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- CN208299795U CN208299795U CN201820610769.9U CN201820610769U CN208299795U CN 208299795 U CN208299795 U CN 208299795U CN 201820610769 U CN201820610769 U CN 201820610769U CN 208299795 U CN208299795 U CN 208299795U
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Abstract
The utility model provides a kind of bimodulus transfer intercom with three sections of screen displays, artificial antenna is connect with analog signal transmission circuit in the bimodulus transfer intercom, analog signal transmission circuit is connect with the first signal processing circuit and second signal processing circuit respectively, first signal processing circuit is connect with first processor, first processor is connect with U channel viewing area, second signal processing circuit is connect with second processor, and second processor is connect with V channel viewing area;Public network antenna is connect with public network signal transmission circuit, and public network signal transmission circuit is successively connect with third signal processing circuit, third processor and public network channel viewing area;Dominant frequency switch key and middle turn key, which are divided equally, not to be connect with first processor, second processor and third processor.The utility model realizes the bimodulus transfer of public network intercommunication and traditional intercommunication and realizes that three sections of bimodulus of three frequencies are shown, expands intercommunication range, solves the territory restriction of existing intercommunication communication, can expand according to actual needs as multi-frequency multi-mode.
Description
Technical field
The utility model relates to communication technique fields, specifically, being related to a kind of bimodulus transfer pair with three sections of screen displays
Say machine.
Background technique
With the development of public mobile communication, it is to remove that intercom market, which gradually becomes an important specialized communication market,
One of communication products with fastest developing speed outside mobile phone.Intercom is widely used in the every field of national economy, become national security,
The important wireless telecom equipment of traffic administration, petrochemical industry, construction, property security personnel etc. department.Existing intercom one
Aspect is the dedicated signal for receiving public network frequency range;On the other hand it is the dedicated signal for receiving U/V frequency range, carries out UHF/VHF
Middle rotating function between span or VHF/UHF span, the range of receiving of intercommunication signal are subject to certain restrictions.
Utility model content
In place of solving above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide one kind to have three sections of screens
Aobvious bimodulus transfer intercom, to overcome defect in the prior art.
To achieve the goals above, the utility model provides a kind of bimodulus transfer intercom with three sections of screen displays, institute
State bimodulus transfer intercom include artificial antenna, public network antenna, public network channel viewing area, U channel viewing area, V channel viewing area,
Dominant frequency switch key and middle turn key;Wherein, artificial antenna is connect with analog signal transmission circuit, analog signal transmission circuit respectively with
First signal processing circuit is connected with second signal processing circuit, and the first signal processing circuit is connect with first processor, and first
Processor is connect with U channel viewing area, and second signal processing circuit is connect with second processor, and second processor and V channel are aobvious
Show that area connects;Public network antenna is connect with public network signal transmission circuit, and public network signal transmission circuit and third signal processing circuit connect
It connects, third signal processing circuit is connect with third processor, and third processor is connect with public network channel viewing area;Dominant frequency switch key
Divide equally with middle turn key and is not connect with first processor, second processor and third processor.
As the further explanation to bimodulus transfer intercom described in the utility model, it is preferable that analog signal transmitting-receiving
Circuit includes U frequency receiving module, U frequency transmitting module, V frequency receiving module, V frequency transmitting module;Public network signal transmission circuit includes
Public network receiving module and public network transmitting module;Wherein, U frequency receiving module and U frequency transmitting module and the first signal processing circuit connect
It connects;V frequency receiving module and V frequency transmitting module are connect with second signal processing circuit;Public network receiving module and public network transmitting module
It is connect with third signal processing circuit.
As the further explanation to bimodulus transfer intercom described in the utility model, it is preferable that the first signal processing
Circuit includes U frequency signal strength detection module, the frequent rate extraction module of U, U frequency channel number computing module and U frequency transit module;Its
In, U frequency receiving module respectively with U frequency signal strength detection module, the frequent rate extraction module of U, U frequency channel number computing module and U
The connection of frequency transit module, U frequency signal strength detection module are connect with U frequency transmitting module, and U frequency transit module, which also takes place frequently with V, penetrates mould
Block is connected with public network transmitting module.
As the further explanation to bimodulus transfer intercom described in the utility model, it is preferable that second signal processing
Circuit includes V frequency signal strength detection module, the frequent rate extraction module of V, V frequency channel number computing module and V frequency transit module;Its
In, V frequency receiving module respectively with V frequency signal strength detection module, the frequent rate extraction module of V, V frequency channel number computing module and V
The connection of frequency transit module, V frequency signal strength detection module are connect with V frequency transmitting module, and V frequency transit module, which also takes place frequently with U, penetrates mould
Block is connected with public network transmitting module.
As the further explanation to bimodulus transfer intercom described in the utility model, it is preferable that third signal processing
Circuit includes public network signal intensity detection module, public network information extraction modules and public network transit module;Wherein, public network receiving module
It is connect respectively with public network signal intensity detection module, public network information extraction modules and public network transit module, public network transit module is also
It is connect with U frequency transmitting module and V frequency transmitting module.
As the further explanation to bimodulus transfer intercom described in the utility model, it is preferable that the signal strength
Detection module detects the signal-to-noise ratio of signal by DSP digital signal processor, to obtain received signal intensity;The frequency mentions
Modulus block obtains the frequency values of received analog signal by filter;The channel number computing module is for decoding received mould
Quasi- signal and the channel number for extracting analog signal;The information extraction modules are for decoding received public network signal and extracting public network
The public network of signal logins information.
As the further explanation to bimodulus transfer intercom described in the utility model, it is preferable that U channel viewing area, V
Channel viewing area and public network channel viewing area are provided with dominant frequency instruction display block and transfer instruction block, and dominant frequency switch key is logical
It crosses first processor, second processor or third processor and dominant frequency instruction display block is electrically connected;Middle turn key passes through
First processor, second processor or third processor and transfer instruction block are electrically connected.
The bimodulus transfer intercom of the utility model devises traditional analog signal transmission circuit and public network signal transmitting-receiving
Public network may be implemented to two kinds of talkback modes of traditional intercommunication of making peace in circuit;Dominant frequency switch key and middle turn key are devised, to realize public affairs
The cross-module transfer mode that net revolving die is quasi-, simulation turns public network, simulation revolving die is quasi-;And devise U frequency viewing area, V frequency viewing area and
Public network channel viewing area realizes that three sections of bimodulus of three frequencies are shown, expands intercommunication range, solves the region of existing intercommunication communication
Limitation, can expand according to actual needs as multi-frequency multi-mode.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the bimodulus transfer intercom of the utility model;
Fig. 2 is the signal transmitting and receiving circuit of the utility model and the structural block diagram of signal processing circuit.
Specific embodiment
In order to further appreciate that the structure, feature and other purposes of the utility model, now in conjunction with appended preferable implementation
Example is accompanied by attached drawing, and detailed description are as follows, this attached drawing embodiment described is merely to illustrate the technical solution of the utility model, and
Non-limiting the utility model.
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of the bimodulus transfer intercom of the utility model;The bimodulus transfer pair
The machine of saying includes that artificial antenna 1, public network antenna 2, public network channel viewing area 3, U channel viewing area 4, V channel viewing area 5, dominant frequency are cut
Change key 6 and middle turn key 7;Wherein, artificial antenna 1 is connect with analog signal transmission circuit 11, and analog signal transmission circuit 11 is distinguished
It is connect with the first signal processing circuit 12 and second signal processing circuit 13, the first signal processing circuit 12 and first processor 14
Connection, first processor 14 are connect with U channel viewing area 4, and second signal processing circuit 13 is connect with second processor 15, and second
Processor 15 is connect with V channel viewing area 5;Public network antenna 2 is connect with public network signal transmission circuit 21, public network signal transmission circuit
21 connect with third signal processing circuit 22, and third signal processing circuit 22 is connect with third processor 23, third processor 23
It is connect with public network channel viewing area 3;Dominant frequency switch key 6 and middle turn key 7 respectively with first processor 14, second processor 15 and
Third processor 23 connects.The utility model is provided with analog signal transmission circuit 11 and public network signal transmission circuit 21, and
Provided with independent signal processing circuit and processor, thus may be implemented 3rd area at the same receive or an area transmitting area Ling Liang connect
It receives.
U channel viewing area 4 includes that dominant frequency indicates display block, frequency display block, channel number display block, signal strength
And transmission power display block and transfer indicate block, for showing the working condition of received U frequency band signals.V channel is shown
Area 5 includes dominant frequency instruction display block, frequency display block, channel number display block, signal strength and transmission power viewing area
Block and transfer indicate block, for showing the working condition of received V-band signal.Public network channel viewing area 3 refers to including dominant frequency
Show display block, signal intensity viewing area block, public network information display area block and transfer instruction block, for showing received public network
The working condition of frequency band signals.
The dominant frequency of U channel viewing area 4, V channel viewing area 5 and public network channel viewing area 3 indicates display block, for showing
Dominant frequency indicator, dominant frequency switch key 6 are referred to by first processor 14, second processor 15 or third processor 23 with the dominant frequency
Show that display block is electrically connected;Dominant frequency switch key 6 by control program successively trigger first processor 14, second processor 15,
The pulse signal of third processor 23 shows dominant frequency indicator to control the dominant frequency instruction display block of corresponding position;U channel is aobvious
The transfer instruction block for showing area 4, V channel viewing area 5 and public network channel viewing area 3, in two frequencies for carrying out cross-module transfer
Show transfer indicator on the block of section, middle turn key 7 by first processor 14, second processor 15 or third processor 23 and
The transfer instruction block is electrically connected;When dominant frequency switch key 6 selectes a certain frequency range, middle turn key 7 is by controlling program successively
The pulse signal of first processor 14, second processor 15, another two in third processor 23 is triggered, to control corresponding two
A frequency range carries out transfer, and shows transfer indicator;Such as press dominant frequency switch key 6, then triggering connect with dominant frequency switch key 6 the
The pulse signal of the input port of one processor 14, while the dominant frequency of the U channel viewing area 4 of output port connection indicates viewing area
Block is bright, that is, shows dominant frequency indicator, presses dominant frequency switch key 6 again, then triggers the second processor connecting with dominant frequency switch key 6
The pulse signal of 15 input port, while the dominant frequency instruction display block of the V channel viewing area 5 of output port connection is bright, i.e.,
It shows dominant frequency indicator, presses dominant frequency switch key 6 three times, then trigger the defeated of the third processor 23 connecting with dominant frequency switch key 6
The pulse signal of inbound port, while the dominant frequency instruction display block of the public network channel viewing area 3 of output port connection is bright, that is, shows
Dominant frequency indicator;If having selected the dominant frequency instruction bright display dominant frequency indicator of display block of public network channel viewing area 3, press
Middle turn key 7 triggers the pulse signal of the input port for the first processor 14 connecting with middle turn key 7, while output port connects
U channel viewing area 4 transfer instruction block it is bright, press middle turn key 7 again, trigger the second processor connecting with middle turn key 7
The pulse signal of 15 input port, while the transfer instruction block of the V channel viewing area 5 of output port connection is bright, it is assumed that choosing
V channel viewing area 5 is determined, then transfer carries out between public network frequency range and V-band.The utility model is provided with public network channel and shows
Area 3, U channel viewing area 4,5 three sections of V channel viewing area screen display, can show the working condition in three frequency zones, and lead to simultaneously
It crosses dominant frequency switch key 6 and middle turn key 7 realizes that the dominant frequency switching of three sections of screen displays and public network revolving die are intended, simulation turns public network, simulation revolving die
Quasi- cross-module transfer mode, expands intercommunication range, solves the territory restriction of existing intercommunication communication.
Fig. 2 is please referred to, Fig. 2 is the signal transmitting and receiving circuit of the utility model and the structural block diagram of signal processing circuit;Simulation
Signal transmitting and receiving circuit 11 includes U frequency receiving module 111, U frequency transmitting module 112, V frequency receiving module 113, V frequency transmitting module
114;Public network signal transmission circuit 21 includes public network receiving module 211 and public network transmitting module 212;Wherein, U frequency receiving module
111 and U frequency transmitting module 112 is connect with the first signal processing circuit 12;V frequency receiving module 113 and V frequency transmitting module 114 with
Second signal processing circuit 13 connects;Public network receiving module 211 and public network transmitting module 212 and third signal processing circuit 22 connect
It connects.The bimodulus transfer intercom of the utility model devises traditional analog signal transmission circuit and public network signal transmission circuit,
Public network may be implemented to two kinds of talkback modes of traditional intercommunication of making peace;Wherein, above-mentioned receiving module and transmitting module are referring to existing
Technology may be implemented.
Fig. 2 is please referred to, the first signal processing circuit 12 includes U frequency signal strength detection module 101, U frequency frequency abstraction mould
Block 102, U frequency channel number computing module 103 and U frequency transit module 104;Wherein, U frequency receiving module 111 is strong with U frequency signal respectively
It spends detection module 101, the frequent rate extraction module 102 of U, U frequency channel number computing module 103 and U frequency transit module 104 to connect, U frequency
Signal strength detection module 101 is connect with U frequency transmitting module 112, U frequency transit module 104 also with V frequency transmitting module 114 and public affairs
Net transmitting module 212 connects.Wherein, 111 received signal of U frequency receiving module is obtained by U frequency signal strength detection module 101
Signal strength finally shows that 111 received signal of U frequency receiving module passes through U frequency in the corresponding position of U channel viewing area 4
Frequency abstraction module 102 obtains frequency values, finally shows in the corresponding position of U channel viewing area 4, U frequency receiving module 111
Received signal obtains channel number by U frequency channel number computing module 103, finally shows in the corresponding position of U channel viewing area 4
Out.
Second signal processing circuit 13 includes V frequency signal strength detection module 201, the frequent rate extraction module 202 of V, V frequency letter
Taoist monastic name computing module 203 and V frequency transit module 204;Wherein, V frequency receiving module 113 respectively with V frequency signal strength detection module
201, the frequent rate extraction module 202 of V, V frequency channel number computing module 203 and V frequency transit module 204 connect, the inspection of V frequency signal strength
Survey module 201 connect with V frequency transmitting module 114, V frequency transit module 204 also with U frequency transmitting module 112 and public network transmitting module
212 connections.Wherein, 113 received signal of V frequency receiving module obtains signal strength by V frequency signal strength detection module 201,
It is finally shown in the corresponding position of V channel viewing area 5,113 received signal of V frequency receiving module passes through V frequency frequency abstraction
Module 202 obtains frequency values, finally shows in the corresponding position of V channel viewing area 5, the received letter of V frequency receiving module 113
Number channel number is obtained by V frequency channel number computing module 203, is finally shown in the corresponding position of V channel viewing area 5.
Third signal processing circuit 22 includes public network signal intensity detection module 301, public network information extraction modules 302 and public affairs
Net transit module 303;Wherein, public network receiving module 211 respectively with public network signal intensity detection module 301, public network information extraction
Module 302 and public network transit module 303 connect, public network transit module 303 also with U frequency transmitting module 112 and V frequency transmitting module
114 connections.Wherein, to obtain signal strong by public network signal intensity detection module 301 for 211 received signal of public network receiving module
Degree, finally shows in the corresponding position of public network channel viewing area 3,211 received signal of public network receiving module passes through public network
Information extraction modules 302 obtain the current log-on message of public network, finally show in the corresponding position of public network channel viewing area 3.
First signal processing circuit 12, second signal processing circuit 13, the signal strength in third signal processing circuit 22
Detection module detects the signal-to-noise ratio of signal by DSP digital signal processor, to obtain received signal intensity, signal strength inspection
It surveys module to connect with an input port of first processor 14, second processor 15, third processor 23, corresponding output end
Mouth is connected to the corresponding display block of public network channel viewing area 3, U channel viewing area 4, V channel viewing area 5;First signal processing
Frequency abstraction module in circuit 12, second signal processing circuit 13 obtains the frequency of received analog signal by filter
Value, frequency abstraction module connect with an input port of first processor 14, second processor 15, corresponding output port and
The corresponding display block connection of U channel viewing area 4, V channel viewing area 5;First signal processing circuit 12, second signal processing electricity
Channel number computing module in road 13 is used to decode received analog signal and extract the channel number of analog signal, and channel number calculates
Module is connect with an input port of first processor 14, second processor 15, corresponding output port and U channel viewing area
4, the corresponding display block connection of V channel viewing area 5;Information extraction modules in third signal processing circuit 22 connect for decoding
The public network signal of receipts and the public network for extracting public network signal login information, an input terminal of information extraction modules and third processor 23
Mouth connection, corresponding output port are connected to the corresponding display block of public network channel viewing area 3.
The utility model is provided with public network channel viewing area 3, U channel viewing area 4,5 three sections of V channel viewing area screen display, can
To show the working condition in three frequency zones simultaneously, divided using first processor 14, second processor 15, third processor 23
It is other that first signal processing circuit 12, second signal processing circuit 13, third signal processing circuit 22 are responded, it is double to realize
The signal that three sections of mould receives and display, can expand according to actual needs as multi-frequency multi-mode.
It is to be understood that above-mentioned utility model content and specific embodiment are intended to prove the provided skill of the utility model
The practical application of art scheme should not be construed as the restriction to scope of protection of the utility model.Those skilled in the art are practical at this
In novel spirit and principle, when can various modifications may be made, equivalent replacement or improvement.The protection scope of the utility model is with appended power
Subject to sharp claim.
Claims (9)
1. a kind of bimodulus transfer intercom with three sections of screen displays, which is characterized in that the bimodulus transfer intercom includes simulation
Antenna (1), public network antenna (2), public network channel viewing area (3), U channel viewing area (4), V channel viewing area (5), dominant frequency switching
Key (6) and middle turn key (7);Wherein,
Artificial antenna (1) is connect with analog signal transmission circuit (11), analog signal transmission circuit (11) respectively with the first signal
Processing circuit (12) and second signal processing circuit (13) connection, the first signal processing circuit (12) and first processor (14) are even
It connects, first processor (14) is connect with U channel viewing area (4), and second signal processing circuit (13) and second processor (15) are even
It connects, second processor (15) is connect with V channel viewing area (5);
Public network antenna (2) is connect with public network signal transmission circuit (21), public network signal transmission circuit (21) and third signal processing
Circuit (22) connection, third signal processing circuit (22) are connect with third processor (23), third processor (23) and public network frequency
Road viewing area (3) connection;
Dominant frequency switch key (6) and middle turn key (7) respectively with first processor (14), second processor (15) and third processor
(23) it connects.
2. bimodulus transfer intercom as described in claim 1, which is characterized in that analog signal transmission circuit (11) includes U frequency
Receiving module (111), U frequency transmitting module (112), V frequency receiving module (113), V frequency transmitting module (114);Public network signal transmitting-receiving
Circuit (21) includes public network receiving module (211) and public network transmitting module (212);Wherein,
U frequency receiving module (111) and U frequency transmitting module (112) are connect with the first signal processing circuit (12);
V frequency receiving module (113) and V frequency transmitting module (114) are connect with second signal processing circuit (13);
Public network receiving module (211) and public network transmitting module (212) are connect with third signal processing circuit (22).
3. bimodulus transfer intercom as claimed in claim 2, which is characterized in that the first signal processing circuit (12) includes U frequency
Revolving die in the frequent rate extraction module (102) of signal strength detection module (101), U, U frequency channel number computing module (103) and U frequency
Block (104);Wherein, U frequency receiving module (111) respectively with U frequency signal strength detection module (101), the frequent rate extraction module of U
(102), U frequency channel number computing module (103) and U frequency transit module (104) connection, U frequency signal strength detection module (101) with
U frequency transmitting module (112) connection, U frequency transit module (104) also with V frequency transmitting module (114) and public network transmitting module (212)
Connection.
4. bimodulus transfer intercom as claimed in claim 2, which is characterized in that second signal processing circuit (13) includes V frequency
Revolving die in the frequent rate extraction module (202) of signal strength detection module (201), V, V frequency channel number computing module (203) and V frequency
Block (204);Wherein, V frequency receiving module (113) respectively with V frequency signal strength detection module (201), the frequent rate extraction module of V
(202), V frequency channel number computing module (203) and V frequency transit module (204) connection, V frequency signal strength detection module (201) with
V frequency transmitting module (114) connection, V frequency transit module (204) also with U frequency transmitting module (112) and public network transmitting module (212)
Connection.
5. bimodulus transfer intercom as claimed in claim 2, which is characterized in that third signal processing circuit (22) includes public network
Signal strength detection module (301), public network information extraction modules (302) and public network transit module (303);Wherein, public network receives
Module (211) respectively with public network signal intensity detection module (301), public network information extraction modules (302) and public network transit module
(303) it connects, public network transit module (303) is also connect with U frequency transmitting module (112) and V frequency transmitting module (114).
6. bimodulus transfer intercom as claimed in claim 3, which is characterized in that the U frequency signal strength detection module (101)
The signal-to-noise ratio of signal is detected, by DSP digital signal processor to obtain received signal intensity;The U frequency frequency abstraction mould
Block (102) obtains the frequency values of received analog signal by filter;The U frequency channel number computing module (103) is for solving
The received analog signal of code and the channel number for extracting analog signal.
7. bimodulus transfer intercom as claimed in claim 4, which is characterized in that the V frequency signal strength detection module (201)
The signal-to-noise ratio of signal is detected, by DSP digital signal processor to obtain received signal intensity;The V frequency frequency abstraction mould
Block (202) obtains the frequency values of received analog signal by filter;The V frequency channel number computing module (203) is for solving
The received analog signal of code and the channel number for extracting analog signal.
8. bimodulus transfer intercom as claimed in claim 5, which is characterized in that the public network signal intensity detection module
(301) signal-to-noise ratio of signal is detected, by DSP digital signal processor to obtain received signal intensity;The public network information
Extraction module (302) logins information for decoding received public network signal and extracting the public network of public network signal.
9. bimodulus transfer intercom as described in claim 1, which is characterized in that U channel viewing area (4), V channel viewing area
(5) and public network channel viewing area (3) is provided with dominant frequency instruction display block and transfer instruction block, and dominant frequency switch key (6) is logical
First processor (14), second processor (15) or third processor (23) is crossed electrically to connect with dominant frequency instruction display block
It connects;Middle turn key (7) indicates area by first processor (14), second processor (15) or third processor (23) and the transfer
Block is electrically connected.
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Cited By (1)
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CN108449110A (en) * | 2018-04-26 | 2018-08-24 | 泉州欧讯电子有限公司 | A kind of bimodulus transfer intercom with three sections of screen displays |
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CN108449110A (en) * | 2018-04-26 | 2018-08-24 | 泉州欧讯电子有限公司 | A kind of bimodulus transfer intercom with three sections of screen displays |
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